21116635488

Names of 21116635488

• Cardinal: 21116635488 can be written as Twenty-one billion, one hundred sixteen million, six hundred thirty-five thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1116635488 × 10¹⁰

Factors of 21116635488

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 84266

Divisors of 21116635488

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 67 72 78 96 104 117 134 144 156 201 208 234 268 288 312 402 416 468 536 603 624 804 871 936 1072 1206 1248 1608 1742 1872 2144 2412 2613 3216 3484 3744 4824 5226 6432 6968 7839 9648 10452 13936 15678 19296 20904 27872 31356 41808 62712 83616 84181 125424 168362 250848 252543 336724 505086 673448 757629 1010172 1094353 1346896 1515258 2020344 2188706 2693792 3030516 3283059 4040688 4377412 5640127 6061032 6566118 8081376 8754824 9849177 11280254 12122064 13132236 16920381 17509648 19698354 22560508 24244128 26264472 33840762 35019296 39396708 45121016 50761143 52528944 67681524 73321651 78793416 90242032 101522286 105057888 135363048 146643302 157586832 180484064 203044572 219964953 270726096 293286604 315173664 406089144 439929906 541452192 586573208 659894859 812178288 879859812 1173146416 1319789718 1624356576 1759719624 2346292832 2639579436 3519439248 5279158872 7038878496 10558317744 21116635488
• Sum of all divisors σ(n): 65635695216
• Sum of proper divisors (its aliquot sum) s(n): 44519059728
• 21116635488 is an abundant number, because the sum of its proper divisors (44519059728) is greater than itself. Its abundance is 23402424240

Bases of 21116635488

• Binary: 10011101010101001100100100101100000₂
• Hexadecimal: 0x4EAA64960
• Base-36: 9P8AS80

Squares and roots of 21116635488

• 21116635488 squared (21116635488²) is 445912294333060998144
• 21116635488 cubed (21116635488³) is 9416167379049017165076292534272
• The square root of 21116635488 is 145315.6408925069
• The cube root of 21116635488 is 2764.0225026319

Scales and comparisons

• 21,116,635,488 seconds is equal to 671 years, 23 weeks, 12 hours, 4 minutes, 48 seconds.
• To count from 1 to 21,116,635,488 would take you about one thousand, three hundred forty-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21116635488 cubic inches would be around 230.3 feet tall.

Recreational maths with 21116635488

• 21116635488 backwards is 88453661112
• The number of decimal digits it has is: 11
• The sum of 21116635488's digits is 45
• More coming soon!